<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" href="./css/base.css">
    <link rel="stylesheet" href="./css/window.css">
</head>
<body>
    <input  id="a1" type="button" value="点击弹窗">
    <script type="text/javascript" data-main="js/main" src="./js/require.js"></script>
</body>
</html>